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<caption align="top"> Prevalence of policy relevance across journals </caption>
<tr> <th> Journal Name </th> <th> Policy in Aims </th> <th> Total Abstracts </th> <th> Policy Mention </th> <th> % Policy </th>  </tr>
 <tr> <td> ACS Applied Energy Materials </td> <td> No </td> <td align="right"> 4176 </td> <td align="right"> 4 </td> <td> 0.1% </td> </tr>
  <tr> <td> ACS Energy Letters </td> <td> No </td> <td align="right"> 1370 </td> <td align="right"> 1 </td> <td> 0.1% </td> </tr>
  <tr> <td> ACS Sustainable Chemistry and Engineering </td> <td> No </td> <td align="right"> 8009 </td> <td align="right"> 146 </td> <td> 1.8% </td> </tr>
  <tr> <td> Advanced Energy Materials </td> <td> No </td> <td align="right"> 3183 </td> <td align="right"> 10 </td> <td> 0.3% </td> </tr>
  <tr> <td> Advanced Sustainable Systems </td> <td> Yes </td> <td align="right"> 438 </td> <td align="right"> 9 </td> <td> 2.1% </td> </tr>
  <tr> <td> American Association of Petroleum Geologists Bulletin </td> <td> No </td> <td align="right"> 516 </td> <td align="right"> 44 </td> <td> 8.5% </td> </tr>
  <tr> <td> Annual Review of Chemical and Biomolecular Engineering </td> <td> No </td> <td align="right"> 34 </td> <td align="right"> 4 </td> <td> 11.8% </td> </tr>
  <tr> <td> Applied Energy </td> <td> Yes </td> <td align="right"> 13945 </td> <td align="right"> 2635 </td> <td> 18.9% </td> </tr>
  <tr> <td> Applied Thermal Engineering </td> <td> No </td> <td align="right"> 7627 </td> <td align="right"> 200 </td> <td> 2.6% </td> </tr>
  <tr> <td> Batteries and Supercaps </td> <td> No </td> <td align="right"> 414 </td> <td align="right"> 0 </td> <td> 0.0% </td> </tr>
  <tr> <td> Biofuel Research Journal </td> <td> Yes </td> <td align="right"> 75 </td> <td align="right"> 8 </td> <td> 10.7% </td> </tr>
  <tr> <td> Biomass and Bioenergy </td> <td> No </td> <td align="right"> 2739 </td> <td align="right"> 453 </td> <td> 16.5% </td> </tr>
  <tr> <td> Bioresource Technology </td> <td> No </td> <td align="right"> 7997 </td> <td align="right"> 158 </td> <td> 2.0% </td> </tr>
  <tr> <td> Biotechnology for Biofuels </td> <td> No </td> <td align="right"> 1087 </td> <td align="right"> 91 </td> <td> 8.4% </td> </tr>
  <tr> <td> Building Simulation </td> <td> No </td> <td align="right"> 676 </td> <td align="right"> 58 </td> <td> 8.6% </td> </tr>
  <tr> <td> ChemSusChem </td> <td> No </td> <td align="right"> 2886 </td> <td align="right"> 9 </td> <td> 0.3% </td> </tr>
  <tr> <td> Combustion and Flame </td> <td> No </td> <td align="right"> 1945 </td> <td align="right"> 17 </td> <td> 0.9% </td> </tr>
  <tr> <td> CSEE Journal of Power and Energy Systems </td> <td> No </td> <td align="right"> 293 </td> <td align="right"> 30 </td> <td> 10.2% </td> </tr>
  <tr> <td> Current Opinion in Chemical Engineering </td> <td> No </td> <td align="right"> 1 </td> <td align="right"> 0 </td> <td> 0.0% </td> </tr>
  <tr> <td> Energy </td> <td> Yes </td> <td align="right"> 18294 </td> <td align="right"> 3052 </td> <td> 16.7% </td> </tr>
  <tr> <td> Energy and Environmental Science </td> <td> Yes </td> <td align="right"> 2455 </td> <td align="right"> 61 </td> <td> 2.5% </td> </tr>
  <tr> <td> Energy Conversion and Management </td> <td> No </td> <td align="right"> 8674 </td> <td align="right"> 673 </td> <td> 7.8% </td> </tr>
  <tr> <td> Energy Economics </td> <td> Yes </td> <td align="right"> 3220 </td> <td align="right"> 1886 </td> <td> 58.6% </td> </tr>
  <tr> <td> Energy for Sustainable Development </td> <td> Yes </td> <td align="right"> 1017 </td> <td align="right"> 465 </td> <td> 45.7% </td> </tr>
  <tr> <td> Energy Policy </td> <td> Yes </td> <td align="right"> 7860 </td> <td align="right"> 6013 </td> <td> 76.5% </td> </tr>
  <tr> <td> Energy Reports </td> <td> Yes </td> <td align="right"> 4079 </td> <td align="right"> 835 </td> <td> 20.5% </td> </tr>
  <tr> <td> Energy Research &amp; Social Science </td> <td> Yes </td> <td align="right"> 2059 </td> <td align="right"> 1627 </td> <td> 79.0% </td> </tr>
  <tr> <td> Energy Storage Materials </td> <td> Yes </td> <td align="right"> 1825 </td> <td align="right"> 5 </td> <td> 0.3% </td> </tr>
  <tr> <td> Energy Strategy Reviews </td> <td> No </td> <td align="right"> 756 </td> <td align="right"> 501 </td> <td> 66.3% </td> </tr>
  <tr> <td> Energy, Sustainability and Society </td> <td> No </td> <td align="right"> 372 </td> <td align="right"> 233 </td> <td> 62.6% </td> </tr>
  <tr> <td> Engineering </td> <td> No </td> <td align="right"> 284 </td> <td align="right"> 43 </td> <td> 15.1% </td> </tr>
  <tr> <td> Environmental Innovation and Societal Transitions </td> <td> Yes </td> <td align="right"> 339 </td> <td align="right"> 237 </td> <td> 69.9% </td> </tr>
  <tr> <td> Environmental Research Letters </td> <td> Yes </td> <td align="right"> 4419 </td> <td align="right"> 1545 </td> <td> 35.0% </td> </tr>
  <tr> <td> Food and Energy Security </td> <td> Yes </td> <td align="right"> 156 </td> <td align="right"> 34 </td> <td> 21.8% </td> </tr>
  <tr> <td> Fuel </td> <td> No </td> <td align="right"> 12782 </td> <td align="right"> 276 </td> <td> 2.2% </td> </tr>
  <tr> <td> Fuel Processing Technology </td> <td> No </td> <td align="right"> 2529 </td> <td align="right"> 22 </td> <td> 0.9% </td> </tr>
  <tr> <td> GCB Bioenergy </td> <td> Yes </td> <td align="right"> 803 </td> <td align="right"> 186 </td> <td> 23.2% </td> </tr>
  <tr> <td> Geophysics </td> <td> No </td> <td align="right"> 947 </td> <td align="right"> 15 </td> <td> 1.6% </td> </tr>
  <tr> <td> Global Environmental Politics </td> <td> Yes </td> <td align="right"> 240 </td> <td align="right"> 203 </td> <td> 84.6% </td> </tr>
  <tr> <td> Green Energy and Environment </td> <td> No </td> <td align="right"> 287 </td> <td align="right"> 4 </td> <td> 1.4% </td> </tr>
  <tr> <td> High Power Laser Science and Engineering </td> <td> No </td> <td align="right"> 196 </td> <td align="right"> 7 </td> <td> 3.6% </td> </tr>
  <tr> <td> High Voltage </td> <td> No </td> <td align="right"> 140 </td> <td align="right"> 2 </td> <td> 1.4% </td> </tr>
  <tr> <td> Horticultural Plant Journal </td> <td> No </td> <td align="right"> 50 </td> <td align="right"> 5 </td> <td> 10.0% </td> </tr>
  <tr> <td> IEEE Journal of Emerging and Selected Topics in Power Electronics </td> <td> No </td> <td align="right"> 652 </td> <td align="right"> 20 </td> <td> 3.1% </td> </tr>
  <tr> <td> IEEE Power and Energy Magazine </td> <td> No </td> <td align="right"> 344 </td> <td align="right"> 105 </td> <td> 30.5% </td> </tr>
  <tr> <td> IEEE Transactions on Energy Conversion </td> <td> No </td> <td align="right"> 572 </td> <td align="right"> 26 </td> <td> 4.5% </td> </tr>
  <tr> <td> IEEE Transactions on Green Communications and Networking </td> <td> No </td> <td align="right"> 616 </td> <td align="right"> 79 </td> <td> 12.8% </td> </tr>
  <tr> <td> IEEE Transactions on Power Delivery </td> <td> No </td> <td align="right"> 843 </td> <td align="right"> 41 </td> <td> 4.9% </td> </tr>
  <tr> <td> IEEE Transactions on Power Systems </td> <td> No </td> <td align="right"> 2123 </td> <td align="right"> 272 </td> <td> 12.8% </td> </tr>
  <tr> <td> IEEE Transactions on Sustainable Energy </td> <td> No </td> <td align="right"> 1360 </td> <td align="right"> 135 </td> <td> 9.9% </td> </tr>
  <tr> <td> IEEE Transactions on Transportation Electrification </td> <td> No </td> <td align="right"> 508 </td> <td align="right"> 54 </td> <td> 10.6% </td> </tr>
  <tr> <td> International Journal of Coal Geology </td> <td> No </td> <td align="right"> 1208 </td> <td align="right"> 101 </td> <td> 8.4% </td> </tr>
  <tr> <td> International Journal of Coal Science and Technology </td> <td> Yes </td> <td align="right"> 274 </td> <td align="right"> 32 </td> <td> 11.7% </td> </tr>
  <tr> <td> International Journal of Electrical Power and Energy Systems </td> <td> Yes </td> <td align="right"> 3080 </td> <td align="right"> 350 </td> <td> 11.4% </td> </tr>
  <tr> <td> International Journal of Greenhouse Gas Control </td> <td> Yes </td> <td align="right"> 3204 </td> <td align="right"> 291 </td> <td> 9.1% </td> </tr>
  <tr> <td> International Journal of Hydrogen Energy </td> <td> No </td> <td align="right"> 19289 </td> <td align="right"> 531 </td> <td> 2.8% </td> </tr>
  <tr> <td> International Journal of Mining Science and Technology </td> <td> No </td> <td align="right"> 385 </td> <td align="right"> 36 </td> <td> 9.4% </td> </tr>
  <tr> <td> International Journal of Sustainable Transportation </td> <td> No </td> <td align="right"> 378 </td> <td align="right"> 216 </td> <td> 57.1% </td> </tr>
  <tr> <td> Joule </td> <td> Yes </td> <td align="right"> 492 </td> <td align="right"> 57 </td> <td> 11.6% </td> </tr>
  <tr> <td> Journal of Analytical and Applied Pyrolysis </td> <td> No </td> <td align="right"> 1955 </td> <td align="right"> 15 </td> <td> 0.8% </td> </tr>
  <tr> <td> Journal of Cleaner Production </td> <td> Yes </td> <td align="right"> 25271 </td> <td align="right"> 9161 </td> <td> 36.3% </td> </tr>
  <tr> <td> Journal of Energy Chemistry </td> <td> No </td> <td align="right"> 1924 </td> <td align="right"> 5 </td> <td> 0.3% </td> </tr>
  <tr> <td> Journal of Energy Storage </td> <td> Yes </td> <td align="right"> 5791 </td> <td align="right"> 243 </td> <td> 4.2% </td> </tr>
  <tr> <td> Journal of Materials Chemistry A </td> <td> No </td> <td align="right"> 13931 </td> <td align="right"> 30 </td> <td> 0.2% </td> </tr>
  <tr> <td> Journal of Modern Power Systems and Clean Energy </td> <td> No </td> <td align="right"> 549 </td> <td align="right"> 68 </td> <td> 12.4% </td> </tr>
  <tr> <td> Journal of Petroleum Science and Engineering </td> <td> No </td> <td align="right"> 2854 </td> <td align="right"> 69 </td> <td> 2.4% </td> </tr>
  <tr> <td> Journal of Power Sources </td> <td> No </td> <td align="right"> 9739 </td> <td align="right"> 75 </td> <td> 0.8% </td> </tr>
  <tr> <td> Journal of The Energy Institute </td> <td> No </td> <td align="right"> 899 </td> <td align="right"> 12 </td> <td> 1.3% </td> </tr>
  <tr> <td> JPhys Energy </td> <td> No </td> <td align="right"> 132 </td> <td align="right"> 1 </td> <td> 0.8% </td> </tr>
  <tr> <td> Materials Today Energy </td> <td> Yes </td> <td align="right"> 773 </td> <td align="right"> 2 </td> <td> 0.3% </td> </tr>
  <tr> <td> Materials Today Physics </td> <td> No </td> <td align="right"> 397 </td> <td align="right"> 1 </td> <td> 0.3% </td> </tr>
  <tr> <td> Materials Today Sustainability </td> <td> No </td> <td align="right"> 315 </td> <td align="right"> 3 </td> <td> 1.0% </td> </tr>
  <tr> <td> Matter and Radiation At Extremes </td> <td> No </td> <td align="right"> 102 </td> <td align="right"> 3 </td> <td> 2.9% </td> </tr>
  <tr> <td> Nano Energy </td> <td> Yes </td> <td align="right"> 5024 </td> <td align="right"> 25 </td> <td> 0.5% </td> </tr>
  <tr> <td> Nature Energy </td> <td> Yes </td> <td align="right"> 504 </td> <td align="right"> 138 </td> <td> 27.4% </td> </tr>
  <tr> <td> Nature Reviews Materials </td> <td> No </td> <td align="right"> 11 </td> <td align="right"> 0 </td> <td> 0.0% </td> </tr>
  <tr> <td> Nature Sustainability </td> <td> Yes </td> <td align="right"> 445 </td> <td align="right"> 174 </td> <td> 39.1% </td> </tr>
  <tr> <td> Petroleum Science </td> <td> No </td> <td align="right"> 468 </td> <td align="right"> 27 </td> <td> 5.8% </td> </tr>
  <tr> <td> Polymer Reviews </td> <td> No </td> <td align="right"> 11 </td> <td align="right"> 0 </td> <td> 0.0% </td> </tr>
  <tr> <td> Progress In Energy and Combustion Science </td> <td> No </td> <td align="right"> 1 </td> <td align="right"> 0 </td> <td> 0.0% </td> </tr>
  <tr> <td> Progress In Photovoltaics: Research and Applications </td> <td> Yes </td> <td align="right"> 434 </td> <td align="right"> 28 </td> <td> 6.5% </td> </tr>
  <tr> <td> Protection and Control of Modern Power Systems </td> <td> No </td> <td align="right"> 110 </td> <td align="right"> 10 </td> <td> 9.1% </td> </tr>
  <tr> <td> Renewable and Sustainable Energy Reviews </td> <td> Yes </td> <td align="right"> 2081 </td> <td align="right"> 906 </td> <td> 43.5% </td> </tr>
  <tr> <td> Renewable Energy </td> <td> Yes </td> <td align="right"> 10390 </td> <td align="right"> 1692 </td> <td> 16.3% </td> </tr>
  <tr> <td> Shiyou Kantan Yu Kaifa/Petroleum Exploration and Development </td> <td> No </td> <td align="right"> 387 </td> <td align="right"> 20 </td> <td> 5.2% </td> </tr>
  <tr> <td> Solar Energy </td> <td> Yes </td> <td align="right"> 4682 </td> <td align="right"> 247 </td> <td> 5.3% </td> </tr>
  <tr> <td> Solar Energy Materials and Solar Cells </td> <td> No </td> <td align="right"> 2430 </td> <td align="right"> 21 </td> <td> 0.9% </td> </tr>
  <tr> <td> Solar RRL </td> <td> No </td> <td align="right"> 823 </td> <td align="right"> 7 </td> <td> 0.9% </td> </tr>
  <tr> <td> SPE Journal </td> <td> No </td> <td align="right"> 387 </td> <td align="right"> 14 </td> <td> 3.6% </td> </tr>
  <tr> <td> Sustainability Accounting, Management and Policy Journal </td> <td> Yes </td> <td align="right"> 240 </td> <td align="right"> 228 </td> <td> 95.0% </td> </tr>
  <tr> <td> Sustainable Cities and Society </td> <td> Yes </td> <td align="right"> 3192 </td> <td align="right"> 1109 </td> <td> 34.7% </td> </tr>
  <tr> <td> Sustainable Development </td> <td> Yes </td> <td align="right"> 731 </td> <td align="right"> 552 </td> <td> 75.5% </td> </tr>
  <tr> <td> Sustainable Energy and Fuels </td> <td> No </td> <td align="right"> 1618 </td> <td align="right"> 32 </td> <td> 2.0% </td> </tr>
  <tr> <td> Sustainable Energy Technologies and Assessments </td> <td> Yes </td> <td align="right"> 2346 </td> <td align="right"> 420 </td> <td> 17.9% </td> </tr>
  <tr> <td> Sustainable Energy, Grids and Networks </td> <td> Yes </td> <td align="right"> 616 </td> <td align="right"> 111 </td> <td> 18.0% </td> </tr>
  <tr> <td> Sustainable Materials and Technologies </td> <td> No </td> <td align="right"> 467 </td> <td align="right"> 28 </td> <td> 6.0% </td> </tr>
  <tr> <td> Sustainable Production and Consumption </td> <td> Yes </td> <td align="right"> 1058 </td> <td align="right"> 626 </td> <td> 59.2% </td> </tr>
  <tr> <td> Wiley Interdisciplinary Reviews: Energy and Environment </td> <td> Yes </td> <td align="right"> 136 </td> <td align="right"> 71 </td> <td> 52.2% </td> </tr>
  <tr> <td> Wind Energy </td> <td> Yes </td> <td align="right"> 525 </td> <td align="right"> 98 </td> <td> 18.7% </td> </tr>
  <tr> <td> Wind Energy Science </td> <td> No </td> <td align="right"> 266 </td> <td align="right"> 43 </td> <td> 16.2% </td> </tr>
  <a name=tab:policy_stats></a>
\end{longtable}
</table>
